Implement fixed-window exponentiation to mitigate hyper-threading

[openssl.git] / crypto / bn / expspeed.c

diff --git a/crypto/bn/expspeed.c b/crypto/bn/expspeed.c
index 07a1bcf51cfcfccd896304272370d15b5d4da4e3..4d5f221f33ad0f63e017979930cca06e39181ca6 100644 (file)
--- a/crypto/bn/expspeed.c
+++ b/crypto/bn/expspeed.c
@@ -321,7 +321,7 @@ void do_mul_exp(BIGNUM *r, BIGNUM *a, BIGNUM *b, BIGNUM *c, BN_CTX *ctx)
 #else /* TEST_SQRT */
                        "2*sqrt [prime == %d (mod 64)] %4d %4d mod %4d"
 #endif
 #else /* TEST_SQRT */
                        "2*sqrt [prime == %d (mod 64)] %4d %4d mod %4d"
 #endif

-                       " -> %8.3fms %5.1f (%ld)\n",
+                       " -> %8.6fms %5.1f (%ld)\n",

 #ifdef TEST_SQRT
                        P_MOD_64,
 #endif
 #ifdef TEST_SQRT
                        P_MOD_64,
 #endif